Categories

TOML-JSON Converter

Convert between TOML and JSON formats with support for comments and complex data structures

Key Facts

Category
Format Conversion
Input Types
textarea, select, number
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The TOML-JSON Converter is a reliable utility designed to seamlessly transform configuration data between TOML and JSON formats, ensuring your complex data structures remain intact during the conversion process.

When to Use

  • When migrating configuration files from TOML-based systems to JSON-based environments.
  • When you need to validate or inspect the structure of a TOML file by viewing it as JSON.
  • When preparing JSON-based application settings for use in tools that require TOML syntax.

How It Works

  • Paste your source TOML or JSON data into the input field.
  • Select your desired conversion direction (TOML to JSON or JSON to TOML).
  • Adjust the JSON indent size if necessary to improve readability.
  • Click convert to generate and copy your transformed data.

Use Cases

Standardizing configuration files across different microservices.
Quickly debugging TOML configuration errors by converting them to JSON for validation.
Updating legacy application settings to modern JSON-based formats.

Examples

1. Converting App Config to JSON

Backend Developer
Background
A developer needs to integrate a TOML configuration file into a Node.js application that natively consumes JSON.
Problem
The application cannot parse the TOML file directly, causing startup errors.
How to Use
Paste the TOML content into the input, select 'TOML to JSON', and set the indent size to 2.
Example Config
indentSize: 2
Outcome
A clean, properly indented JSON object ready to be saved as a config.json file.

2. Generating TOML for Rust Projects

Systems Engineer
Background
An engineer has a JSON schema for project metadata but needs to provide it as a Cargo.toml file for a Rust project.
Problem
Manually rewriting JSON to TOML syntax is error-prone and tedious.
How to Use
Paste the JSON metadata into the input, select 'JSON to TOML', and generate the output.
Outcome
A valid TOML-formatted string that can be directly pasted into the project's configuration file.

Try with Samples

json, text

Related Hubs

FAQ

Does this tool support nested data structures?

Yes, the converter fully supports nested tables, arrays, and complex data structures in both formats.

Can I convert JSON back to TOML?

Yes, simply select 'JSON to TOML' in the conversion direction settings.

Is there a limit to the size of the data I can convert?

The tool is designed for standard configuration files; very large datasets may be limited by your browser's memory.

Does the converter preserve comments?

While the tool parses the data structure, comments in the original file may not be preserved in the output format.

Can I customize the output formatting?

Yes, you can specify the JSON indent size from 1 to 8 spaces to match your preferred coding style.

API Documentation

Request Endpoint

POST /en/api/tools/toml-json-converter

Request Parameters

Parameter Name Type Required Description
inputText textarea Yes -
conversionDirection select Yes -
indentSize number No -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration:

{
  "mcpServers": {
    "elysiatools-toml-json-converter": {
      "name": "toml-json-converter",
      "description": "Convert between TOML and JSON formats with support for comments and complex data structures",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=toml-json-converter",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]